The main products in the walkie-talkie market include home wireless service (FRS) walkie-talkie, personal mobile wireless (PMR) walkie-talkie and mobile wireless (LMR) walkie-talkie.Among them, FRS mainly faces the consumer market.Other products occupy the professional market.At present, manufacturers have been trying hard to improve the quality of communication products, reduce interference, develop multi-functional products, such as: waterproof, shockproof, integrated radio and GPS functions, and so on.

　　1. Walkie-talkie is not used for entertainment in outdoor activities. Properly used, it can bring us great convenience and guarantee your safety.For example: the organization of the team contact, the transmission of the situation, the contact with the base station and emergency call for help contact and so on.

　　1) the interphone battery can only be used with the original battery or approved battery of the interphone manufacturer.

　　1. Do not short-circuit the terminal of the battery or put the battery into fire.

　　In recent years, the utilization rate of walkie-talkies in various industries in China is increasing. Professional users such as public security, armed police and forest, construction sites, property, security guards and civilian amateurs are being used in an increasingly wide range.The following author more than ten years of experience in the maintenance of some daily use of the most common fault and the correct way to use some simple introduction for walkie-talkie users reference.

　　Walkie-talkie overhaul, first measure the CPU control board main points of the dc working voltage, the test shows that there are many points of electrical voltage on the control board and the normal value is not consistent, can not judge what is the problem.Then shut down the test resistance, after repeated testing, finally found that, when using the multimeter RX1 frequency measurement circuit board and display control board grounding between the resistance, found that there are 600 or so between the resistance value, apparently is a plate end is not connecte

　　Intercom, in the past is a mysterious veil of communication tools, the general public are generally from the film and television to know its magic function, can real-time wireless calls and is not subject to regional restriction

　　Walkie-talkie is a kind of two-way mobile communication tool, which can make calls without any network support, without charge. It is suitable for relatively fixed and frequent calls.

　　1.After the interphone is used for a long time, press the button, the control knob and the housing are easy to get dirty. Please remove the control knob from the interphone and clean the housing with neutral lotion (do not use strong corrosive chemicals) and wet cloth.The use of chemicals such as detergents, alcohol, sprays, or petroleum preparations can cause damage to the surface and shell of walkie-talkies.

　　1. Record all calls: